Abstract: A filter device for filtering insoluble material which is used in the preparation of beverages, in particular for filtering tea leaves or ground coffee, includes a steel body having a plurality of filter openings and a plastic part composed of an injection-moldable plastic. The plastic part includes a connecting portion that may be injection-molded around the steel body. A recess is located in the connecting portion. The recess is at least partially filled by the plastic part or the steel body forms an extension in the connecting portion. The extension projects from the steel body and is at least partially enclosed by the plastic part.